340145253353 has 4 divisors (see below), whose sum is σ = 340198682880. Its totient is φ = 340091823828.

The previous prime is 340145253341. The next prime is 340145253377. The reversal of 340145253353 is 353352541043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340145253353 - 2⁶ = 340145253289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340145253323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26705213 + ... + 26717946.

It is an arithmetic number, because the mean of its divisors is an integer number (85049670720).

Almost surely, 2^340145253353 is an apocalyptic number.

It is an amenable number.

340145253353 is a deficient number, since it is larger than the sum of its proper divisors (53429527).

340145253353 is an equidigital number, since it uses as much as digits as its factorization.

340145253353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53429526.

The product of its (nonzero) digits is 324000, while the sum is 38.

Adding to 340145253353 its reverse (353352541043), we get a palindrome (693497794396).

The spelling of 340145253353 in words is "three hundred forty billion, one hundred forty-five million, two hundred fifty-three thousand, three hundred fifty-three".